Cleanup unused imports (ansible-collections#896)

Cleanup unused imports

(ansible-collections#852 / ansible-collections#892) Let's try once more...
SUMMARY
My local tests are flagging that we've picked up some unused imports again.
ISSUE TYPE

Feature Pull Request

COMPONENT NAME
aws_glue_job
cloudfront_info
rds_option_group_info
ADDITIONAL INFORMATION

Reviewed-by: Markus Bergholz <[email protected]>
Reviewed-by: Alina Buzachis <None>

This commit was initially merged in https://github.com/ansible-collections/community.aws
See: ansible-collections@017081c

plugins/modules/rds_option_group_info.py

@@ -244,7 +244,6 @@
 from ansible_collections.amazon.aws.plugins.module_utils.core import AnsibleAWSModule
 from ansible_collections.amazon.aws.plugins.module_utils.core import is_boto3_error_code
 from ansible_collections.amazon.aws.plugins.module_utils.ec2 import AWSRetry
-from ansible_collections.amazon.aws.plugins.module_utils.ec2 import boto3_tag_list_to_ansible_dict
 from ansible_collections.amazon.aws.plugins.module_utils.ec2 import camel_dict_to_snake_dict
 
 from ansible_collections.amazon.aws.plugins.module_utils.rds import get_tags